Home / 123,023.60-184,535.40-120,690.80

Finding the Fourth Proportional to 123,023.60, 184,535.40 and 120,690.80

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Solution

The fourth proportional to 123,023.60, 184,535.40 and 120,690.80 is: 181,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,023.60 : 184,535.40 = 120,690.80 : x
  2. Step 2: Convert to fraction form
    123,023.60/184,535.40 = 120,690.80/x
  3. Step 3: Cross multiply
    123,023.60x = 184,535.40 × 120,690.80
  4. Step 4: Simplify right side
    123,023.60x = 22,271,725,054.32
  5. Step 5: Solve for x
    x = 22,271,725,054.32/123,023.60
  6. Step 6: Final answer
    x = 181,036.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.